MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://seiary.com/sites/default/files/webform/rec/11252708720.pdf In PDF document text
- http://www.muttypawsacademy.com/sites/default/files/webform/vaccines/40041164747.pdfIn PDF document text
- https://aboss.by/sites/default/files/webform/31226501773.pdfIn PDF document text
- https://ambrose.edu/sites/default/files/webform/fabifuturofutip.pdfIn PDF document text
- https://architecturaldesigninc.com/sites/default/files/masugikiretige.pdfIn PDF document text
- https://www.visitsavannah.com/sites/default/files/webform/71260674720.pdfIn PDF document text
- https://extranet.blanchisserie-toulousaine-de-sante.com/sites/extranet.blanchisserie-toulousaine-de-sante.com/files/documents/justificatifs/bugoxugokerudanetisene.pdfIn PDF document text
- https://www.dgs-interparts.be/sites/default/files/7838369457.pdfIn PDF document text
- http://oaklandchildcare.org/sites/default/files/webform/55178968397.pdfIn PDF document text
- http://www.pacificsportfraservalley.com/sites/default/files/webform/pulipalukegibivep.pdfIn PDF document text
- https://www.a1touchsolution.nl/sites/default/files/64517041799.pdfIn PDF document text
- https://www.enwidth.com/sites/default/files/webform/resumes/95374483905.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=business+model+generation+ebook+pdfPDF link annotation
- https://printandmail.princeton.edu/system/files/webform/60959229638.pdfIn PDF document text
- https://campusrec.princeton.edu/system/files/webform/4552140304.pdfIn PDF document text
- https://community.princeton.edu/system/files/webform/jidubiziro.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e323.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE323 | 5496 bytes |
SHA-256: fad24ad29908fb0fbf619e470fa9c971aad474fdeb5a1fcc5aa15031b01fa8ce |
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font_01_sfnt_off0000f5b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5B1 | 11360 bytes |
SHA-256: 1663c667cbb7569e228d900ed4587affb8ac43bf2d1503d51d089684f4d6a69a |
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font_02_sfnt_off00011b25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B25 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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